Climatological Report (Daily)
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000
CDUS43 KLOT 172139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SAT JUN 17 2017


...................................

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JUNE 17 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         87    140 PM  96    1957  80      7       85
                                      1887
  MINIMUM         69    511 AM  42    1980  59     10       61
  AVERAGE         78                        70      8       73

PRECIPITATION (IN)
  TODAY            0.11          1.69 1978   0.11   0.00     0.00
  MONTH TO DATE    1.05                      2.02  -0.97     1.51
  SINCE JUN 1      1.05                      2.02  -0.97     1.51
  SINCE JAN 1     19.16                     15.10   4.06    15.15

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                        40    -40       12
  SINCE JUN 1      0                        40    -40       12
  SINCE JUL 1   5284                      6332  -1048     5427

 COOLING
  TODAY           13                         6      7        8
  MONTH TO DATE  161                        71     90      102
  SINCE JUN 1    161                        71     90      102
  SINCE JAN 1    194                       125     69      176
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    11.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           700 AM
 LOWEST     59          1200 PM
 AVERAGE    72

..........................................................


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        98      1954
 MINIMUM TEMPERATURE (F)   59        45      1999


SUNRISE AND SUNSET
JUNE 17 2017..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT
JUNE 18 2017..........SUNRISE   516 AM CDT   SUNSET   830 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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